Class 11 Chemistry Some Basic Concepts of Chemistry Percentage composition and Molecular formula

Difficult

$925$ fine silver means an alloy of :

A
$7.5\% \, Ag$ and $92.5\% \, Cu$
B
$92.5\% \, Ag$ and $7.5\% \, Cu$
C
$80\% \, Ag$ and $20\% \, Cu$
D
$90\% \, Ag$ and $10\% \, Cu$

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Class 11 Questions

Class 11

Chemistry Questions

Chapter

Some Basic Concepts of Chemistry

Subtopic

Percentage composition and Molecular formula

Similar Questions

$A$ metal oxide $M$ contains $40\%$ oxygen by mass. The atomic mass of metal $M$ is $24$. The empirical formula of the oxide is....

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Calculate the percentage composition of element $P$ in ${H_3PO_4}$. (in $\%$)

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$A$ compound contains $2.2 \ g$ of phosphorus and $1.24 \ g$ of sulfur. What is its empirical formula?

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If $1.24 \ g$ of $P$ is present in a $2.2 \ g$ sample of a compound,identify the empirical formula of the compound (Atomic mass of $P = 31 \ g/mol$,$S = 32 \ g/mol$).

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